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What Is an OBD2 Scanner and How Does It Work?

Your check engine light can come on a host of reasons, ranging from a loose gas cap to a faulty engine component. If you see a light illuminated on your dashboard, you can use an OBD2 scanner to ...
The Auto Wire on MSN

No, your check engine light isn't always a death sentence, but don't ignore it either

No dashboard light triggers gut-drop panic quite like the check engine light. The frustrating part? It won't tell you whether ...